Device for pressing out flowable substances

Details Device for pressing out flowable substances Device for pressing out flowable substances

B - Operations, Transporting

01

J

B01J 2/20 (2006.01) A23G 3/02 (2006.01) B29B 9/10 (2006.01) B29C 47/30 (2006.01)

Patent

CA 2454733

Described is a device for extruding a flowable substance in the form of droplets wherein a perforated rotating drum is provided (60) and said device has a nozzle strip (50) arranged at the side facing the inner circumference of the drum being in the lower region of said device that communicates with the belt (7) moving under the drum whereby said nozzle strip (50) has a groove-like recess (12) for the substance fed from the inside. A restricting strip (13') extending transverse to the flow direction is provided at least in this groove-like recess area (12) of the nozzle strip (50, 50a) whereby said restricting strip (13') forms a flow-through slot (15) together with one side (12a) of the recess (12), and said slot (15) serves for apportioning of the substance to be extruded in form of droplets and for calming of the flow next to the exit area.

La présente invention concerne un dispositif destiné à l'expulsion par égouttage de substances pouvant s'écouler, un tambour à trous rotatif (60) étant associé, dans sa partie inférieure associée à une courroie (7) guidée en dessous du tambour, sur son côté faisant face à la périphérie interne du tambour, à une barre de buses (50) dotée d'une ouverture en forme d'encoche (12) destinée aux substances arrivant de l'intérieur. Au moins dans la zone d'ouverture en forme d'encoche (12) de la barre de buses (50, 50a) se trouve une bande de retenue (13') s'étendant transversalement à la direction d'écoulement et formant avec une paroi (12a) de l'ouverture (12), une fente d'écoulement (15) qui sert au dosage de la substance à expulser par égouttage et à la stabilisation de l'écoulement à l'avant de la zone de sortie.

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